Database Design and Management

Kelechi Nwaji

Starting at

/hr

About this service

Summary

I specialize in designing, optimizing, and managing scalable, high-performance databases that ensure data integrity, security, and efficiency. Whether you need a relational (SQL) or NoSQL database, I create well-structured schemas, optimize queries, and implement security best practices to support seamless application performance. My expertise ensures that your database is fast, secure, and future-proof, tailored specifically to your business needs.

Process

Requirement Analysis We’ll discuss your project’s data needs, expected workload, and scalability requirements to determine the best database solution (SQL or NoSQL).

Schema Design & Planning I will design an optimized database schema, including table relationships, indexing strategies, and data normalization to ensure efficiency and scalability.

Database Setup & Configuration I will set up and configure your database (PostgreSQL, MySQL, MongoDB, etc.), ensuring performance tuning, security, and proper indexing from the start.

Data Migration & Integration If you have existing data, I will migrate it safely while ensuring data integrity. I will also integrate the database with your API, backend, or application.

Optimization & Performance Testing To ensure fast response times, I will analyze query performance, implement caching strategies, optimize indexing, and reduce bottlenecks.

Security & Access Control I will implement security measures like encryption, role-based access control (RBAC), and query sanitization to protect sensitive data.

Monitoring & Maintenance I will set up monitoring tools to track performance, errors, and database health. Ongoing maintenance and backups can be arranged as needed.

FAQs

What type of databases do you specialize in?
I work with both SQL (PostgreSQL, MySQL, MariaDB) and NoSQL (MongoDB, Firebase, Redis) databases, choosing the best fit based on your project’s requirements.
Can you migrate my existing database without downtime?
Yes! I use safe migration strategies, including incremental data transfer and backup mechanisms, to ensure smooth migrations with minimal downtime.
How do you ensure database security?
I implement role-based access control (RBAC), encryption, data masking, and secure authentication methods to protect against unauthorized access and attacks.
Will my database be able to handle high traffic?
Yes! I optimize database queries and use indexing, caching (Redis), and load balancing to ensure your database performs well under high-traffic loads.
What happens if my database crashes?
I set up automated backups, replication, and monitoring alerts to ensure quick recovery and minimal data loss in case of unexpected failures.
Do you offer long-term database maintenance?
Yes! I provide ongoing maintenance plans that include performance monitoring, backups, and security updates to keep your database running smoothly.

What's included

Database Schema Design
I will create a well-structured, scalable database schema tailored to your project’s needs, ensuring data integrity and efficiency. This includes ER diagrams, table relationships, and normalization to reduce redundancy.
Database Optimization & Performance Tuning
I will optimize database queries, indexing strategies, and caching mechanisms to improve performance, scalability, and response times for high-traffic applications.
Data Migration & Backup Strategy
If you're moving from an existing database, I will seamlessly migrate your data while ensuring data consistency. I also set up automated backups to prevent data loss.
Database Security & Access Control
I will implement best security practices such as role-based access control (RBAC), encryption, and query sanitization to protect your data from breaches and SQL injection attacks
API Integration with the Database
I will design and integrate efficient database queries and transactions within your API, ensuring seamless interaction between your application and the database
Database Monitoring & Maintenance
I will set up monitoring tools to track query performance, uptime, and errors, ensuring your database remains healthy and operational.
NoSQL & SQL Database Support
Whether you need PostgreSQL, MySQL, MongoDB, or Redis, I will choose and implement the best database solution based on your project’s requirements.